I believe without reservation that this may be the greatest instance of pareidolia of all time: an ultrasound of a man experiencing epididymo-orchitis, or pain and swelling of a testicle:
Having suffered through a similar (if less traumatic) version of this, may I add that the expression on the man's, um, "face" is exquisitely accurate.
Tip o' the codpiece to my Hive Overmind co-blogger Ed Yong on Google+. Original image: Elsevier, Inc.
